Fluorescent lantern



FIG. 1 is a front elevational view of a fluorescent lantern showing my new design;

FIG. 2 is a underneath plan view thereof;

FIG. 3 is a right side elevational view, the other side being a mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof. 

The ornamental design for a fluorescent lantern, as shown and described. 